we are pressure gauges manufacturer from china named hangzhou dongya instrument co.ltd We specialize in designing and manufacturing anti-vibration and S.S pressure gauges in Zhejiang. The main items includes of dry utility pressure gauges, liquid filled pressure gauges, bimetal thermometers, capillary thermometers, glycerin filled gauges, stainless steel gauges, diaphragm sealed pressure gauges, contractor gauges, electric contact pressure gauges, magnetic electric pressure gauges, transmissible pressure gauges, diaphragm pressure gauges, normal pressure gauges, vibration-proof electric contact pressure gauges, diaphragm gauges, digital vacuum pressure gauges, digital thermometers, pressure transmitters, anti-vibration gauges, oxygen gauges and regulators, thermo-pressure gauges, CNG pressure gauges, capsule low pressure gauges, freon pressure gauges, general service pressure gauges, aseismatic electric contacts, Y-B S.X pressure gauges, flange membranes, hygiene membranes, pp membranes, YPF-100/150 Micro membranes, ye-membranes, ammonia pressure gauges, remote resistance accessories and aseismatic pressure gauges. Our products are widely used in oil industry, medical industry, food industry, machinery industry and other fields. To ensure the quality, we have applied a QC system which completely lives up to the international standards. We have successfully passed the evaluation of ISO9001:2000 certification and also attained an environment management system certification. We can provide you with professional one-stop service to meet your demands. We sincerely hope to establish and maintain mutually beneficial and long-term business relationships with both old and new customers. "Super quality, competitive price and perfect service" is our main principle. Dongya instrument - your best choice! WELCOME YOU SEND ANY KIND INQUIRY TO US MAIL , DYINSTRUMENT AT GMAIL DOT C O M ï¼?ï¼?ï¼?ï¼?ï¼?ï¼?ï¼?ï¼?ï¼?ï¼?ï¼?ï¼?ï¼?